Behavior of pouting chickens in different densities of creation in tropical climate
| Grant number: | 12/15730-1 |
| Support type: | Scholarships in Brazil - Scientific Initiation |
| Effective date (Start): | October 01, 2012 |
| Effective date (End): | September 30, 2013 |
| Field of knowledge: | Biological Sciences - Biology |
| Principal Investigator: | Ricardo Jose Garcia Pereira |
| Grantee: | Mayra Hespanhol Frediani |
| Home Institution: | Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
Abstract The maintenance of laying hens in cages is widely use in the poultry industry due to its ease of management, sanitary control, space optimization and reduction of production costs. However, in its traditional form, this system may prejudice the welfare of the caged birds, a criticism that has gained increasing attention among many consumers of animal products. This category of consumer recognizes the added value of a food item produced under good animal welfare, and prefer to purchase it, even when its costs are higher than others produced in the traditional manner. Aiming to improve the living conditions of caged laying hens, we will implement two different types of environmental enrichment and verify their influence on behavioral, clinical and productive parameters. Thus, 30 Lohmann chickens will be placed in three types of cages: cages with no enrichment (n = 08), cages furnished with perches (n = 08), and cages furnished with string devices and pieces of PVC carpet (n = 08). We expect to observe a relationship between these low cost enrichments and improvements in psychological and physiological conditions of the caged hens, which in turn may lead to a positive impact in egg production. Our long term objective is to improve current systems of egg production, suiting them not only to the demands of the world market but also to the consumer's expectations. (AU) | |